Abox contains 6 balls numbered from 1 to 6. john pulls a ball from the box, memorizes the number written on the ball and returns the ball in the box. then pedro does the same thing: he removes a ball from the box and memorizes the number written on the ball. what is the probability that john took the same number as peter?

Which is the graph of the function y=2(4)^x

From the beginning of the day the temperature rose 15 degrees so that by 4 pm it was 87 degrees. what was the temperature at the start of the day

Using pert, adam munson was able to determine that the expected project completion time for the construction of a pleasure yacht is 21 months, and the project variance is 4. a) what is the probability that the project will be completed in 17 months? b) what is the probability that the project will be completed in 20 months? c) what is the probability that the project will be completed in 23 months? d) what is the probability that the project will be completed in 25 months? e) what is the due date that yields a 95% chance of completion?